A hand-authored designer recipe the Muse auto-generator draws from, tagged by which niches it suits.
A Family (design direction family) is one of ~100 hand-authored designer recipes (palette, type pair, imagery, layout rhythm, flourishes, anti-patterns, motion) with suitable_for / avoid_for tags. The Muse auto-generator picks a Family via a niche-filtered weighted pool, so a tattoo studio and a pediatric dentist never get the same look.
Source: includes/muse-direction-families.php; DB-first loader with PHP fallback in includes/muse-direction-families-store.php (muse_direction_families table). Part of the Muse System.